Opportunity

Illinois BidBuy #27-557THA-ENGCO-B-53767

Amendment for I-490 Railroad Track Relocation and Retaining Wall Construction

Posted

August 25, 2026

Respond By

September 18, 2026

Identifier

27-557THA-ENGCO-B-53767

NAICS

237990, 238110, 238190

This amendment relates to the I-490 Railroad Track Relocation and Retaining Wall Construction project managed by the THA - Toll Highway Authority in Downers Grove, DuPage County, IL. - Buyer: THA - Toll Highway Authority - Project: I-490 Railroad Track Relocation and Retaining Wall Construction - Amendment covers: Formwork construction for Retaining Wall A - Change order value: $100,000 (original contract: $107,409,756.98) - Classification: NIGP code 91200 (general construction services) - No specific OEMs, vendors, part numbers, or purchase quantities beyond the single line item - Notable requirement: Focus on retaining wall formwork within a major infrastructure project

Description

This solicitation is an amendment/change order to an existing contract involving the I-490 Railroad Track Relocation and Retaining Wall project. The amendment includes formwork construction related to the retaining wall and a change order cost of $100,000. The original contract amount was $107,409,756.98. The contractor for this work is Lorig Construction Company.

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